`mcmasterlighting.biz`

DNSSEC	⚠️ Not signed
A	209.64.25.150^{🇺🇸 AS22034209.64.25.0/24 Proxy registration to prevent harm from ARIN-NONAUTH shutdown}
		PTR	`mcmaster.cn`
		PTR	`mcmater.com`
		PTR	`mcmaster-carr.nl`
		PTR	`mcmastercarr.nl`
		PTR	`mcmaster-carr.ru`
		PTR	`mcmastercarr.ru`
		PTR	`mcmaster-carr.uk`
		PTR	`mcmastercarr.us`
		PTR	`correspondence.mcmaster.com`
		PTR	`www.mcmater.com`
		PTR	`www.mcmaster-carr.nl`
		PTR	`www.mcmaster-carr.ru`
		PTR	`www.mcmastercarr.ru`
		PTR	`www.mcmaster-carr.uk`
		PTR	`www.mcmastercarr.us`
		PTR	`www.correspondence.mcmaster.com`
NS	`ns2.mcmaster.com` ⭐
		A	12.203.197.20^{🇺🇸 AS2203412.203.197.0/24 Proxy registration to prevent harm from ARIN-NONAUTH shutdown}
NS	`ns1.mcmaster.com`
		A	209.64.25.48^{🇺🇸 AS22034209.64.25.0/24 Proxy registration to prevent harm from ARIN-NONAUTH shutdown}
			PTR	`ns1.mcmaster.com`
NS	`ns3.mcmaster.com`
		A	209.64.25.47^{🇺🇸 AS22034209.64.25.0/24 Proxy registration to prevent harm from ARIN-NONAUTH shutdown}
			PTR	`ns3.mcmaster.com`
NS	`ns4.mcmaster.com`
		A	12.203.197.21^{🇺🇸 AS2203412.203.197.0/24 Proxy registration to prevent harm from ARIN-NONAUTH shutdown}
			PTR	`dnsep5002.mcmaster.com`
MX	`mx0a-00570c01.pphosted.com` ⭐
		A	205.220.166.57^{🇺🇸 Proofpoint205.220.166.0/24 Inc.}
			PTR	`mx0a-00570c01.pphosted.com`
MX	`mx0b-00570c01.pphosted.com` ⭐
		A	205.220.178.57^{🇺🇸 Proofpoint205.220.178.0/24 Inc.}
			PTR	`mx0b-00570c01.pphosted.com`
SOA	`ns2.mcmaster.com`hostmaster@mcmaster.com serial=972

`biz`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld.biz` ⭐
	NS	`b.gtld.biz`
	NS	`c.gtld.biz`
	NS	`m.gtld.biz`
	NS	`n.gtld.biz`
	NS	`w.gtld.biz`
	NS	`x.gtld.biz`
	NS	`y.gtld.biz`
	SOA	`a.gtld.biz`admin@tldns.godaddy serial=1778683751

Subdomains

dnsep101.mcmasterlighting.biz

Same first word

mcmasterlighting.org

mcmasterlighting.info

mcmasterlighting.biz

mcmasterlighting.mobi

DNS History

16 records (7 active, 9 former)

●NSns1.mcmaster.com2015-08-06 → 2026-05-13 · 2 obs

● 2015-08-06 23:39:42
● 2026-05-13 15:11:48

●NSns2.mcmaster.com2015-08-06 → 2026-05-13 · 2 obs

● 2015-08-06 23:39:42
● 2026-05-13 15:11:48

●NSns3.mcmaster.com2015-08-06 → 2026-05-13 · 2 obs

● 2015-08-06 23:39:42
● 2026-05-13 15:11:48

●NSns4.mcmaster.com2015-08-06 → 2026-05-13 · 2 obs

● 2015-08-06 23:39:42
● 2026-05-13 15:11:48

●MXmx0a-00570c01.pphosted.com2026-05-13 → 2026-05-13 · 3 obs

○ 2016-07-13 04:46:26
● 2026-05-13 08:32:22
● 2026-05-13 15:11:48

●MXmx0b-00570c01.pphosted.com2026-05-13 → 2026-05-13 · 3 obs

○ 2016-07-13 04:46:26
● 2026-05-13 08:32:22
● 2026-05-13 15:11:48

○MXspmep104.mcmaster.com2015-08-06 → 2016-07-13 · 4 obs

● 2015-08-06 23:39:42
● 2016-07-13 04:46:26
○ 2026-05-13 08:32:22
○ 2026-05-13 15:11:48

○MXspmep105.mcmaster.com2015-08-06 → 2016-07-13 · 4 obs

● 2015-08-06 23:39:42
● 2016-07-13 04:46:26
○ 2026-05-13 08:32:22
○ 2026-05-13 15:11:48

○MXspmep106.mcmaster.com2015-08-06 → 2016-07-13 · 4 obs

● 2015-08-06 23:39:42
● 2016-07-13 04:46:26
○ 2026-05-13 08:32:22
○ 2026-05-13 15:11:48

○MXspmep107.mcmaster.com2015-08-06 → 2016-07-13 · 4 obs

● 2015-08-06 23:39:42
● 2016-07-13 04:46:26
○ 2026-05-13 08:32:22
○ 2026-05-13 15:11:48

○MXspmep504.mcmaster.com2015-08-06 → 2016-07-13 · 4 obs

● 2015-08-06 23:39:42
● 2016-07-13 04:46:26
○ 2026-05-13 08:32:22
○ 2026-05-13 15:11:48

○MXspmep505.mcmaster.com2015-08-06 → 2016-07-13 · 4 obs

● 2015-08-06 23:39:42
● 2016-07-13 04:46:26
○ 2026-05-13 08:32:22
○ 2026-05-13 15:11:48

○MXspmep506.mcmaster.com2015-08-06 → 2016-07-13 · 4 obs

● 2015-08-06 23:39:42
● 2016-07-13 04:46:26
○ 2026-05-13 08:32:22
○ 2026-05-13 15:11:48

○MXspmep507.mcmaster.com2015-08-06 → 2016-07-13 · 4 obs

● 2015-08-06 23:39:42
● 2016-07-13 04:46:26
○ 2026-05-13 08:32:22
○ 2026-05-13 15:11:48

●A209.64.25.1502026-05-13 → 2026-05-13 · 3 obs

○ 2016-07-13 04:46:26
● 2026-05-13 08:32:22
● 2026-05-13 15:11:48

○A209.64.25.2302015-08-06 → 2016-07-13 · 4 obs

● 2015-08-06 23:39:42
● 2016-07-13 04:46:26
○ 2026-05-13 08:32:22
○ 2026-05-13 15:11:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
biz	a.gtld.biz, b.gtld.biz, c.gtld.biz, m.gtld.biz...	-
mcmasterlighting.biz	ns2.mcmaster.com, ns4.mcmaster.com, ns1.mcmaster.com, ns3.mcmaster.com	-

✅ Authoritative Response

Server:209.64.25.47

NS records: ns2.mcmaster.com, ns4.mcmaster.com, ns1.mcmaster.com, ns3.mcmaster.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mcmasterlighting.biz (unsigned zone)

⏱️ Timing

Total: 1641ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`209.64.25.150`
NS	4	`ns3.mcmaster.com, ns2.mcmaster.com...`
MX	2	`mx0b-00570c01.pphosted.com (pri: 0), mx0a-00570c01.pphosted.com (pri: 0)`
SOA	1	`ns2.mcmaster.com hostmaster.mcmaster.com`

Analysis

Hierarchy

The parent of dnsep101.mcmasterlighting.biz is mcmasterlighting.biz.

IP Addresses

mcmasterlighting.biz points to an IP address: 209.64.25.150.

other host names include mcmastercarr.us, www.mcmaster-carr.nl, mcmastercarrsupplies.co, mcmasterelectrical.mobi and mcmastermarketing.net; they share IP numbers with mcmasterlighting.biz.

Name Servers

mcmasterlighting.biz delegates to four name servers: ns1.mcmaster.com, ns2.mcmaster.com, ns3.mcmaster.com and ns4.mcmaster.com.

mcmasterlighting.biz at least partially shares name servers with other domains, for instance mcmastercrar.com, mcmasterparts.biz, mcmastercarrmaterials.net, carrmcmaster.net and mcmasterfasteners.org.

Host names with one IP number: ns1.mcmaster.com points to: 209.64.25.48; ns2.mcmaster.com points to: 12.203.197.20; ns3.mcmaster.com points to: 209.64.25.47; ns4.mcmaster.com points to: 12.203.197.21.

Mail Servers

mcmasterlighting.biz is handled by two mail servers: mx0a-00570c01.pphosted.com and mx0b-00570c01.pphosted.com.

mcmasterlighting.biz uses the same mail server setup as other domains, for instance mcmastercarr.tools, themcmastercarr.mobi, mcmaster-carr.net, emcmastercarr.biz and mcmastercarr.mobi.

mcmasterlighting.biz shares at least partially some mail servers with other domains, for instance mcmastertools.co, mcmasters.biz, mcmasterplumbing.org, mcmastercarrfiltering.info and mcmastercarrmachinery.co.

Host names with one IP:

mx0a-00570c01.pphosted.com points to: 205.220.166.57

mx0b-00570c01.pphosted.com points to: 205.220.178.57

mcmasterlighting.biz - robtex.com